/Engine/Source/Runtime/Slate/Public/Widgets/Input/SSpinBox.h
Call this method when the user's interaction has changed the value
void CommitValue ( NumericType NewValue, double NewSpinValue, [ECommitMethod](API\Runtime\Slate\Widgets\Input\SSpinBox\ECommitMethod) CommitMethod, [ETextCommit::Type](API\Runtime\SlateCore\Types\ETextCommit__Type) OriginalCommitInfo )